Flag stopper



FIG. 1 is a perspective view of a flag stopper showing my new design, as attached to an exemplary flagpole;

FIG. 2 is a front elevation view thereof, the rear elevation view being a mirror image of the front elevation view;

FIG. 3 is a right side elevation view thereof, the left side elevation view being a mirror image of the right side elevation view;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines represent an exemplary flag pole that forms no part of the claim. 

CLAIM The ornamental design for a flag stopper, as shown and described. 